Extech MA440 400A AC Clamp Meter with Non-Contact Voltage Detection, True RMS, 4000 Count Display, Continuity Tester, Resistance & Frequency Measurement, Compact Digital Multimeter for Electricians

"Extech MA440 Clamp Meter with Non-Contact Voltage Detector; 400A AC; 1.2"" Jaw Size; Fits up to 500MCM; Relative Mode for Capacitance, Data Hold, Auto Power Off and Low Battery Indicator The MA440 Series meters are fully loaded with multimeter functions and built-in non-contact voltage (NCV) detector to meet your application needs Key Features 1.2"" (30mm) jaw size fits conductors up to 500MCM Built-In Non-Contact Voltage Detector (NCV) Large backlit LCD display Functions include NCV, AC/DC Voltage, AC Current, Resistance, Capacitance, Frequency, Diode Test, Continuity Relative mode for Capacitance, Data Hold, Auto Power Off and Low Battery Indicator Complete with test leads, three AAA batteries and pouch Specifications AC Current: 400.0A (1mA) Basic Current Accuracy: AC: ±2.0% DC Voltage: 600V (0.1mV) AC Voltage: 600V (1mV) Basic Voltrage Accuracy: AC: ±1.2%; DC: ±0.8% Non-Contact Voltage (NCV): 100 to 600V Resistance: 40 MOhm (0.1 Ohm) Capacitance: 100 microfarad (0.01 nanofarad) Frequency: 1MHz (0.01Hz) Duty Cycle: Yes Diode/Continuity: Yes Dimensions: 9"" x 3"" x 1.6"" Weight: 0.58 lbs"

• Reliable AC Current Measurement - Accurately measures up to 400A AC with a durable clamp design, perfect for electricians, HVAC technicians, and maintenance pros working in demanding environments.
• Built-In Non-Contact Voltage Detection - Quickly identify live wires without making direct contact. This feature enhances safety and efficiency when troubleshooting outlets, circuits, and electrical panels.
• True RMS Accuracy for Precision - Delivers reliable readings on both linear and non-linear loads, ensuring accurate measurements even in noisy environments with harmonics and variable frequency drives.
• Multi-Function Capability - Measures AC current, resistance, frequency, and continuity. Equipped with a 4000-count digital display and data hold function to capture and view readings with ease.
• Compact, Portable & User-Friendly - Lightweight clamp meter with ergonomic design and easy-to-read backlit display. Fits comfortably in your tool bag, making it an everyday essential for field service work.